AGM-69 SRAM
The Boeing AGM-69 SRAM (Short-range attack missile) was a nuclear air-to-surface missile designed to replace the older AGM-28 Hound Dog standoff missile.
History
The requirement for the weapon was issued by the Strategic Air Command of the United States Air Force in 1964, and the resultant AGM-69A SRAM contract was awarded to Boeing in 1966, After delays and technical flaws during testing, it was ordered into full production in 1971 and entered service in August 1972. It was carried by the B-52, FB-111A, and, for a very short period starting in 1986, by B-1Bs based at Dyess AFB in Texas. SRAMs were also carried by the B-1Bs based at Ellsworth AFB in South Dakota, Grand Forks AFB in North Dakota, and McConnell AFB in Kansas up until late 1993.
SRAM had an inertial navigation system as well as a radar altimeter which enabled the missile to be launched in either a semi-ballistic or terrain-following flight path. The SRAM was also capable of performing one "major maneuver" during its flight which gave the missile the capability of reversing its course and attacking targets that were behind it, sometimes called an "over-the-shoulder" launch. The missile had a Circular Error Probable (CEP) of about 1,400 feet (430 m) and a maximum range of 110 nautical miles (200 km). The SRAM used a single W69 nuclear warhead with a variable yield of 17 kilotons as a fission weapon, or 210 kilotons as a fusion weapon with Tritium boost enabled. The aircrew could turn a switch on the Class III command to select the destructive yield required.